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1   package org.apache.velocity.runtime.log;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.    
20   */
21  
22  import org.apache.velocity.runtime.RuntimeServices;
23  
24  /**
25   *  Logger used in case of failure. Does nothing.
26   *
27   * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
28   * @author <a href="mailto:nbubna@optonline.net">Nathan Bubna.</a>
29   * @version $Id: NullLogChute.java 463298 2006-10-12 16:10:32Z henning $
30   */
31  public class NullLogChute implements LogChute
32  {
33  
34      /**
35       * @see org.apache.velocity.runtime.log.LogChute#init(org.apache.velocity.runtime.RuntimeServices)
36       */
37      public void init(RuntimeServices rs) throws Exception
38      {
39      }
40  
41      /**
42       * logs messages to the great Garbage Collector in the sky
43       *
44       *  @param level severity level
45       *  @param message complete error message
46       */
47      public void log(int level, String message)
48      {
49      }
50  
51      /**
52       * logs messages and their accompanying Throwables
53       * to the great Garbage Collector in the sky
54       *
55       * @param level severity level
56       * @param message complete error message
57       * @param t the java.lang.Throwable
58       */
59      public void log(int level, String message, Throwable t)
60      {
61      }
62  
63      /**
64       * @see org.apache.velocity.runtime.log.LogChute#isLevelEnabled(int)
65       */
66      public boolean isLevelEnabled(int level)
67      {
68          return false;
69      }
70  
71  }